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Weather & Climate in Izumo, Japan
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Izumo enjoys a temperate climate with an average annual temperature of 58°F (15°C). Winters average 40°F in January while summers reach 78°F in July. The area gets 219 sunny days per year. Annual precipitation totals 64.5 inches (wetter than the 38-inch national average). The city sits at an elevation of 20 feet.
Temperature
40°F Jan (4°C)
78°F Jul (25°C)
| Annual Average | 58.4°F |
| 8% above US avg | |
| January Average | 40°F (4°C) |
| July Average | 78°F (25°C) |
| Sunny Days | 219 days/yr |
Geography
| Elevation | 20 ft (6 m) |
| Area | 241.1 sq mi (624.4 km²) |
| Population Density | 717/sq mi |
| Coordinates | 35.3667°N, 132.7667°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Earthquake History
40 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.8.
| Mar 24, 2001 | 16 km SSW of Kure, Japan | M6.8 | 144 km | 50 km |
| Oct 6, 2000 | 8 km ESE of Matsue, Japan | M6.7 | 35 km | 10 km |
| Apr 8, 2018 | 8 km NNE of ?dach?-?da, Japan | M5.7 | 23 km | 10 km |
| Aug 28, 1991 | 9 km SSW of Yasugich?, Japan | M5.5 | 40 km | 13 km |
| Oct 8, 2000 | 32 km N of Sh?bara, Japan | M5.4 | 35 km | 10 km |
| Jan 11, 2001 | 15 km E of Tottori, Japan | M5.3 | 149 km | 33 km |
| Sep 3, 1997 | 21 km S of Yasugich?, Japan | M5.3 | 44 km | 10 km |
| Sep 16, 2002 | 24 km SW of Kurayoshi, Japan | M5.3 | 81 km | 10 km |
| Oct 8, 2000 | 8 km SSW of Yonago, Japan | M5.2 | 49 km | 10 km |
| Jun 3, 2011 | 9 km ENE of G?tsuch?, Japan | M5.0 | 55 km | 10 km |
| Sep 28, 1990 | 24 km NNW of Kariya, Japan | M4.9 | 143 km | 26 km |
| Apr 8, 2018 | 6 km S of ?dach?-?da, Japan | M4.7 | 35 km | 9 km |
| Oct 6, 2000 | 9 km S of Yonago, Japan | M4.7 | 51 km | 10 km |
| Jun 26, 2018 | 8 km NNW of Miyoshi, Japan | M4.6 | 55 km | 35 km |
| Apr 8, 2018 | 9 km S of ?dach?-?da, Japan | M4.6 | 38 km | 10 km |
| Nov 23, 1990 | 23 km NNW of Niimi, Japan | M4.6 | 61 km | 10 km |
| Apr 8, 2018 | 14 km SSE of ?dach?-?da, Japan | M4.5 | 37 km | 10 km |
| Aug 17, 2021 | 14 km NNE of Sh?bara, Japan | M4.5 | 51 km | 10 km |
| Aug 2, 2021 | 21 km N of Sh?bara, Japan | M4.4 | 44 km | 21 km |
| Jun 29, 2025 | 10 km S of Yasugichō, Japan | M4.4 | 45 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Hurricane History
37 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.
| Year | Name | Category | Max Wind | Closest |
| 2022 | Nanmadol | Category 1 | 81 mph | 279 km |
| 2022 | Hinnamnor | Category 1 | 75 mph | 234 km |
| 2018 | Jebi | Category 2 | 98 mph | 228 km |
| 2018 | Trami | Category 1 | 92 mph | 284 km |
| 2018 | Cimaron | Category 1 | 86 mph | 196 km |
| 2017 | Noru | Category 1 | 69 mph | 253 km |
| 2016 | Malakas | Category 1 | 81 mph | 293 km |
| 2015 | Goni | Category 3 | 92 mph | 161 km |
| 2015 | Nangka | Category 1 | 81 mph | 299 km |
| 2014 | Halong | Category 1 | 81 mph | 268 km |
| 2011 | Ma-on | Category 1 | 86 mph | 251 km |
| 2007 | Usagi | Category 1 | 69 mph | 85 km |
| 2007 | Man-yi | Category 1 | 75 mph | 297 km |
| 2006 | Shanshan | Category 1 | 92 mph | 264 km |
| 2005 | Nabi | Category 1 | 75 mph | 137 km |
| 2004 | Songda | Category 2 | 86 mph | 52 km |
| 2004 | Chaba | Category 2 | 81 mph | 49 km |
| 2003 | Etau | Category 2 | 86 mph | 220 km |
| 2003 | Soudelor | Category 1 | 63 mph | 273 km |
| 1999 | Bart | Category 2 | 92 mph | 40 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tsunami History
2 tsunamis recorded within 500 km. Highest wave on record: 10.0 m (33 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1026 | OFF MASUDA, SHIMANE PREFECTURE | Earthquake | 10.0 m | 1,001 | 108 km |
| 1872 | SW. HONSHU ISLAND | Earthquake | 3.0 m | 804 | 87 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
3 volcanoes within 200 km. Closest: Sanbesan (28 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Sanbesan | Stratovolcano | 1,126 m (3,694 ft) | 650 | 28 km |
| Oki-Dogo | Shield | 151 m (495 ft) | Unknown | 104 km |
| Abu | Shield(s) | 641 m (2,103 ft) | -6850 | 144 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 40°F (4°C) | 5.9 in | Coldest |
| February | 40°F (4°C) | 4.2 in | Driest |
| March | 45°F (7°C) | 4.2 in | |
| April | 55°F (13°C) | 4.5 in | |
| May | 63°F (17°C) | 4.5 in | |
| June | 70°F (21°C) | 7.3 in | |
| July | 78°F (25°C) | 7.8 in | |
| August | 80°F (27°C) | 4.7 in | Warmest |
| September | 72°F (22°C) | 8.1 in | Wettest |
| October | 62°F (17°C) | 4.8 in | |
| November | 52°F (11°C) | 4.3 in | |
| December | 44°F (7°C) | 4.4 in |
Izumo has a seasonal temperature swing of 40°F / from 40°F in January to 80°F in August. Total annual precipitation is 64.5 inches, with September being the wettest month (8.1") and February the driest (4.2").